Problem: Crossing over :A. helps produce recombinant phenotypes.B. occurs during prophase I of meiosis.C. Can also occur in mitosis.D. All of the aboveE. B and C only

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Crossing over is the exchange of genetic material from homologous chromosomes as they are being aligned, gene by gene. This results in recombinant chromosomes which leads to the production of recombinant (or non-parental type) phenotypes.

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Problem Details

Crossing over :

A. helps produce recombinant phenotypes.

B. occurs during prophase I of meiosis.

C. Can also occur in mitosis.

D. All of the above

E. B and C only

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